Toy train whistle



FIG. 1 is a perspective view of a toy train whistle showing my new design;

FIG. 2 is an end view of the toy train whistle depicted in FIG. 1;

FIG. 3 is a side view of the toy train whistle depicted in FIG. 1; and

FIG. 4 is a bottom view of the toy train whistle depicted in FIG. 1. 

The ornamental design for a toy train whistle, substantially as shown. 